Algorithms to Compute the Difference of Two Maps
When unit testing, you often want to assert two things are equal. This is common for maps (dictionaries), where you may have a return map and the expected one. …
Teaching Kids Programming – Introduction to Object Oriented Programming
Teaching Kids Programming: Videos on Data Structures and Algorithms Object Oriented Programming (OOP) is an important programming design paradigm. We model data in classes and objects. Class is the …
Breadth First Search Algorithm to Convert Level Order Binary Search Tree to Linked List
Given a binary search tree root, convert it to a singly linked list using level order traversal. Constraints 1 ≤ n ≤ 100,000 where n is the number of …
Convert Base 3 String To Decimal Integer
Given a string s representing a number in base 3 (consisting only of 0, 1, or 2), return its decimal integer equivalent. Example 1 Input s = “10” Output …
Teaching Kids Programming – Enhanced Valid Parenthese String Algorithm using a Stack
Teaching Kids Programming: Videos on Data Structures and Algorithms We talk about the algorithm to check if a string is a valid Parenthese. How about if the string can …
Simple Vigenère Cipher in C++
You are given a lowercase alphabet string text, and another string key. Return a new string where every letter in text is moved to the right with offset key. …